There are electric school buses in my area that emit the sound of the Montreal Metro when driving at low speeds: https://m.youtube.com/watch?v=Hu_1JM_UiuA http

There are electric school buses in my area that emit the sound of the Montreal Metro when driving at low speeds: https://m.youtube.com/watch?v=Hu_1JM_UiuA https://m.youtube.com/watch?v=Hu_1JM_UiuA This is because the manufacturer is based in Quebec.